By comparison


Non-smoking vs


Early-onset smoking

Late-onset smoking

Short-term smoking

Occasional smoking

Occasional smoking vs


Early-onset smoking

Late-onset smoking

Short-term smoking

Short-term smoking vs


Early-onset smoking

Late-onset smoking

Late vs early onset smoking

By age group


Gestation and longitudinal

Early childhood

Late childhood

Adolescence

Adulthood

Large SE (>7) and CI (> 10)